Have a specific question not covered? Check the Onkyo community forums or leave a comment below. Your RC-799M remote should serve you for another decade with proper care.
| | Likely Cause | Solution | | :--- | :--- | :--- | | The remote does not work at all | Dead batteries | Replace the two AA batteries with fresh ones. | | | Obstruction | Ensure nothing is blocking the IR sensor on the receiver front panel. | | | Wrong polarity | Check that the + and – symbols align with the markings in the battery compartment. | | Some buttons work, but others don't | Dirt/Debris | The remote may have liquid or debris trapped under the buttons. Gently clean the exterior with a soft, dry cloth. | | | Generic limitation | If this is a replacement remote, it may not support the "Mute" button or secondary device control. Check your product listing for limitations. | | Short range (must be very close to the receiver) | Low batteries | Weak batteries reduce the infrared output. Replace them immediately. | | | IR sensor wear | Over time, the IR emitter can weaken. Try a different angle. | onkyo rc-799m remote manual
If you press an input button (like BD/DVD), the remote locks into that device mode. To return to controlling your home theater system settings, you must press the Receiver button first. 3. Factory Resetting the Remote Have a specific question not covered